Nickel Cadmium (Ni-Cd) batteries are very common for rechargeable use. They give good power and work long time with many charges. To charge them right we need a special charger made for Ni-Cd. Mostly it is for 12V Ni-Cd battery pack. This article for Ni-Cd Battery Charger Circuit using Transistors shows simple and strong charger […]
Battery Charger Circuits
Ni-MH Battery Charger Circuit with IC LT4060
Nickel Metal Hydride (Ni-MH) batteries are popular for small devices. They give good power and can be charged again. To keep them working long time, proper charging is very important. The Ni-MH Battery Charger Circuit with IC LT4060 shows a strong charger using LT4060 IC from Linear Technologies. This IC is made to charge 1.2V […]
Simple Battery Eliminator Circuit using IC LM317
Simple Battery Eliminator Circuit using IC LM317 gives steady DC power with no need of normal battery. It is good for small devices needing stable voltage. This article show how to make simple battery eliminator using LM317 IC. We also can show circuit to replace 9V battery. It can be used for any device which […]
Simple Wall Adapter to Battery Changeover Circuit
Simple Wall Adapter to Battery Changeover Circuit is very useful for battery systems. It help to switch power between wall adapter which is main and battery which is backup without stop power. So device get power all the time with no break. LTC4412 IC is very important part of this circuit. It control P-channel MOSFET […]
24V Battery Charger Circuit for Lead Acid Batteries with IC LM317
24V Battery Charger Circuit for Lead Acid Batteries with IC LM317 is a very useful useful project. It helps battery work good and last long. This charger is made special for 24V 7AH lead acid battery. It uses IC LM317 to control voltage and also control current so battery charge is safe and correct. Circuit […]
12V Battery Level Indicator Circuit using IC LM3914
12V Battery Level Indicator Circuit using IC LM3914 show how much battery power is left. It is good for devices using 12V battery and help avoid sudden power OFF. IC LM3914 senses voltage and control 10 LEDs. It show in dot mode or bar mode. It work with 3V to 25V power supply. LEDs light […]